28184380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5441}}^1$

素因数の和:5494

約数の個数: 48

約数和(自身を含む): 69483456

約数和(自身を除く): 41299076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 5441, 10882, 21764, 27205, 38087, 54410, 76174, 108820, 152348, 190435, 201317, 380870, 402634, 761740, 805268, 1006585, 1409219, 2013170, 2818438, 4026340, 5636876, 7046095, 14092190, 28184380]

約数ペア:

[(1, 28184380), (2, 14092190), (4, 7046095), (5, 5636876), (7, 4026340), (10, 2818438), (14, 2013170), (20, 1409219), (28, 1006585), (35, 805268), (37, 761740), (70, 402634), (74, 380870), (140, 201317), (148, 190435), (185, 152348), (259, 108820), (370, 76174), (518, 54410), (740, 38087), (1036, 27205), (1295, 21764), (2590, 10882), (5180, 5441)]